In this C# Web API tutorial, beginners will learn first what a web API in C# is and then what an ASP.NET web API is. Learn about the features of the asp.net web API in this C# tutorial. and we will become acquainted with all of the versions of the asp.net web API. This Simplileran tutorial explains the distinction between ASP.NET and WCF (Windows Communication Foundation). Following that, we will learn when to use ASP.NET and when to use WCF. Finally, for a better learning experience, we will see a practical demonstration of C# Web API in this C# programming tutorial.